QuayFlanders

Learn traffic rules with clear explanations and visual examples in our illustrated book, designed to make studying simple and engaging.


14. Quay

A quay is a constructed area beside a river, canal, harbour or other body of water, commonly used for loading, unloading, mooring vessels or providing waterside access. A road may run alongside the water or lead directly towards the quay edge.

In road traffic, a quay warning indicates a risk that a vehicle could leave the road and enter the water. Drivers should reduce speed, observe the road layout carefully and keep a safe distance from the waterside edge.

Quay
Quayside or riverbank warning sign along the Zuid-Willemsvaart. (Lozen, Belgium)
Wikimedia.org • Mark Ahsmann • CC BY-SA
Which Belgian sign warns of a quay or riverbank?

Belgian warning sign A11 indicates that the road leads onto a quay or riverbank.

Warning for a quayside or riverbank. Warning for a quayside or riverbank.

Signal routier A11 • Débouché sur un quai ou une berge.

Verkeersbord A11 • Uitweg op een kaai of een oever.

What changes for quays under Belgium’s new Road Code?

Belgium’s new Code of the Public Road takes effect on 1 June 2027. The warning sign for an exit onto a quay or bank keeps its existing number: traffic sign A11. The design of the sign is updated to make it clearer that the danger involves water, but its meaning remains the same.

Warning for a quayside or riverbank. Warning for a quayside or riverbank.

Signal routier A11 • Débouché sur un quai ou une berge.

Verkeersbord A11 • Uitweg op kaai of oever.

What does Belgian traffic sign A11 mean?

It warns that drivers are approaching a waterside edge where the road may lead directly towards or alongside a quay, bank, canal, harbour or similar body of water.

Does A11 mean that the road definitely ends?

Not necessarily. The road may end at the water, turn near it or continue along the quay. Drivers must slow down and observe the actual layout.

Does A11 prohibit vehicles from continuing?

No. A11 is a warning sign and does not itself prohibit access. A barrier, prohibition sign or instruction from an authorised person may impose an additional restriction.

Does A11 impose a speed limit?

No fixed numerical limit is created by A11. Drivers must respect the applicable speed limit and reduce their speed sufficiently to approach the danger safely.

How far before the quay is A11 placed?

In Brussels and Flanders, warning signs are normally placed approximately 150 metres before the danger. When the sign is placed at another distance, a supplementary panel indicates the approximate distance.

Must you be able to stop before the quay edge?

Yes. Drivers must adjust their speed so they remain able to stop before a foreseeable obstruction or danger, including the end or edge of the road.

Does A11 change the priority rules?

No. Drivers must continue to obey traffic lights, priority signs and the normal priority rules at nearby intersections.

May you stop or park near a Belgian quay?

A11 does not create an automatic stopping or parking prohibition. However, stopping or parking is prohibited wherever the vehicle would clearly create danger or unnecessarily obstruct other road users.

May local signs prohibit parking on a quay?

Yes. Parking signs, road markings, port regulations or access conditions may reserve areas for loading, authorised vehicles, emergency access or other specific purposes.

May you overtake after passing A11?

A11 does not create a specific overtaking prohibition. Overtaking is nevertheless unsafe when the road is narrow, visibility is limited or insufficient space remains beside the waterside edge.

What road users should you expect on a Belgian quay?

Drivers may encounter pedestrians, cyclists, dock workers, trucks, forklifts, cranes, railway vehicles and other port equipment. Their movements may be difficult to predict.

Must you obey instructions from port or customs personnel?

You must obey instructions given by persons who are legally authorised to regulate traffic. Gates, lights, temporary signs and marked traffic routes within a port or controlled site must also be respected.

Why can a Belgian quay be especially slippery?

Rain, frost, water, mud, algae, oil and cargo residue can reduce grip. Railway tracks, metal covers and painted surfaces may also become slippery when wet.

How should you park a vehicle near the water?

Use only an authorised parking place, keep a safe distance from the edge and secure the vehicle properly with its parking brake. Follow all local signs, markings and instructions.

Should you reverse towards a quay edge?

Only when necessary and after checking that the route is completely clear. Use assistance from another person where available, particularly with a truck, trailer or vehicle with restricted rear visibility.

Does the absence of A11 mean there is no waterside danger?

No. Drivers remain responsible for observing the road and adapting their speed. A quay, canal or riverbank may still require additional caution even when no A11 sign is present.

1 Flanders 2 Motorway 3 Expressway 4 Residential area 5 Built-up area 6 Zone 7 Speed limit 8 Bike path 9 Cycling street 10 Pedestrian zone 11 Speed bump 12 Customs 13 One-way traffic 14 Quay 15 Slope 16 Bus lane 17 Dead end 18 Stop sign 19 Give way 20 Roundabout 21 Priority road 22 Road narrowing 23 Priority over oncoming traffic 24 Give way to oncoming traffic 25 Pedestrian crossing 26 Railway crossing 27 Mandatory direction 28 Turn prohibition 29 School area 30 Crossing animals 31 Rockfall 32 Curve 33 Chevron 34 Wrong-way driving 35 Roadworks 36 Height limit 37 Width limit 38 Weight limit 39 Radar speed sign 40 Selective barriers 41 Intersection direction sign 42 Priority at the next junction 43 Traffic lights 44 Pedestrian lights 45 Driving licence 46 Location marker 47 Traffic mirror 48 International border 49 Cycling route 50 Parking 51 No parking 52 Kiss and ride 53 Parking meter 54 Traffic management 55 Reversing 56 Uncontrolled crossroad 57 Road surface 58 Ring road 59 Cycle highway 60 Licence plate 61 Charging station 62 Dangers 63 Turn on red 64 Identity card 65 Fire risk 66 Pedestrian 67 Moped 68 Car 69 Truck 70 Bus 71 Police 72 Ambulance 73 Tram lights 74 European emission standard 75 Pothole 76 Public square 77 Path 78 Particulates 79 Air pollution 80 Rush hour 81 Road code 82 Street gutter 83 Cargo bike 84 Forestry vehicle 85 Construction vehicle 86 Semi-trailer truck 87 Trolleybus 88 Speed pedelec 89 Delivery vehicle 90 Idling 91 Tow truck 92 Four-wheel drive 93 No vehicles 94 Bicycle 95 Motorcycle equipment 96 Railcar 97 Rail track 98 Public transport 99 Caravan 100 Trailer ...